Install Guide

(1)
The maximum PoE power reduces if you connect the MPS-3S shelf to more than one PoE switch.
PoE load condition—low-line AC input
N3208PX-ON Max PoE power:
● One internal PSU: 193 W
● One internal PSU + one external power adapter: 493 W
● One internal PSU + two external power adapters: 793 W
N3224P-ON Max PoE power:
● One internal PSU: can meet 720 W
Max PoE power shall be no more than 720 W for 24 ports x 30 W per port.
N3224PX-ON Max PoE power:
● One internal PSU: 610 W
● Two internal PSUs: 1465 W
● Two internal PSUs + any PSU in MPS-1S shelf: 2082 W
● Two internal PSUs + any two PSUs in MPS-3S shelf: can meet 2400 W
(1)
[Note: (Two internal PSUs power + MPS-3S
PSU(s) power) * 0.85 - N3224PX-ON maximum system power consumption > 2400 W]
● One internal PSU + any three PSUs in MPS-3S shelf: can meet 2400 W
(1)
[Note: (One internal PSU power + MPS-3S PSU(s)
power) * 0.85 - N3224PX-ON maximum system power consumption > 2400 W]
Max PoE power shall be no more than 2400 W for 24 ports x 99.99 W per port.
(1)
The maximum PoE power reduces if you connect the MPS-3S shelf to more than one PoE switch.
N3248P-ON Max PoE power:
● One internal PSU: 713 W
● Two internal PSUs: Can meet 1440 W
● One internal PSU + any two PSUs in MPS-3S shelf: can meet 1440 W
(1)
[Note: (One internal PSU power + MPS-3S PSU(s)
power) * 0.85 - N3248P-ON maximum system power consumption > 1440 W]
Max PoE power shall be no more than 1440 W for 48 ports x 30 W per port.
(1)
The maximum PoE power reduces if you connect the MPS-3S shelf to more than one PoE switch.
N3248PXE-ON Max PoE power:
● One internal PSU: 406 W
● Two internal PSUs: 1261 W
● Two internal PSUs + any PSU in MPS-1S shelf: 1878 W
● One internal PSU + any three PSUs in MPS-3S shelf: 2686 W
(1)
● Two internal PSus + any three PSUs in MPS-3S shelf: 3493 W
(1)
Max PoE power shall be no more than 4800 W for 48 ports x 99.99 W per port.
(1)
The maximum PoE power reduces if you connect the MPS-3S shelf to more than one PoE switch.
General guidelines on PoE budget calculations
PoE budget for the N3224P-ON, N3224PX-ON, N3248P-ON, and N3248PXE-ON switches
● One internal PSU: PSU1 power output - maximum system power consumption
● Two internal PSUs: PSU1 power output + PSU2 power output * 0.9 - maximum system power consumption
● One internal PSU + MPS-1S shelf: (PSU1 power output + MPS-1S PSU power output) * 0.85 - maximum system power
consumption
● Two internal PSUs + MPS-1S shelf: (PSU1 power output + PSU2 power output + MPS-1S PSU power output) * 0.85 -
maximum system power consumption
● One internal PSU + MPS-3S shelf: (PSU1 power output + MPS-3S PSU(s) power output) * 0.85 - maximum system power
consumption
● Two internal PSUs + MPS-3S shelf: (PSU1 power output + PSU2 power output + MPS-3S PSU(s) power output) * 0.85 -
maximum system power consumption
PoE budget for the N3208PX-ON switch
● Internal PSU only: Internal PSU power output - maximum system power consumption
● Internal PSU + one external power adapter: Internal PSU power output + one external power adapter power output -
maximum system power consumption
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Specifications